18871845

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2879}}^1$

素因数の和:2929

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 14305755

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 2879, 6555, 8637, 14395, 43185, 54701, 66217, 164103, 198651, 273505, 331085, 820515, 993255, 1258123, 3774369, 6290615, 18871845]

約数ペア:

[(1, 18871845), (3, 6290615), (5, 3774369), (15, 1258123), (19, 993255), (23, 820515), (57, 331085), (69, 273505), (95, 198651), (115, 164103), (285, 66217), (345, 54701), (437, 43185), (1311, 14395), (2185, 8637), (2879, 6555)]